TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 764 of 1106 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. A Is connector faulty? Remove window controller Relay and Check continuity between BCM connector pin[C1-28] and BCM ground pin[C1-34/C1-47]. Continuity found? 1. Remove window down matting connector. 2. Perform visual check of connector for pins bend or damaged etc. Is connector faulty? BCM ECU faulty Replace BCM ECU Correct connector fault(Terminals bend) Correct BCM side wiring harness.(Short to ground) Correct connector fault(Terminals bend) No No Yes Yes B Yes No